/* =====================================================
   Black-Ultra · deep-ocean fish-themed UI (dark + light)
   ===================================================== */

:root,
:root[data-theme="dark"] {
  /* Canvas - pure black with the faintest arctic-blue undertone */
  --bg-0: #000003;
  --bg-1: #020409;
  --bg-2: #050912;
  --bg-3: #08111f;

  /* Glass surfaces */
  --glass: rgba(6, 12, 22, 0.7);
  --glass-strong: rgba(8, 14, 26, 0.9);
  --glass-border: rgba(120, 170, 220, 0.12);
  --glass-border-strong: rgba(160, 200, 240, 0.22);

  /* Text */
  --text: #f0f4fb;
  --text-dim: #aebbd0;
  --muted: #5e7090;
  --muted-2: #384660;

  /* Accent - arctic / glacier blue (orca-pod cold ocean) */
  --accent: #3b86c8;
  --accent-bright: #6db4ee;
  --accent-soft: rgba(59, 134, 200, 0.18);
  --accent-glow: rgba(59, 134, 200, 0.34);
  --teal: #5fc4cc;

  /* Numerics & state */
  --num: #c2d6ee;
  --positive: #5ed0a3;
  --warn: #e6a76b;

  /* Background ornaments */
  --aura-1: rgba(20, 50, 110, 0.32);
  --aura-2: rgba(10, 70, 110, 0.18);
  --aura-3: rgba(8, 30, 80, 0.4);
  --grid-line: rgba(80, 130, 200, 0.05);
  --school-color: rgba(90, 140, 200, 0.05);

  /* Misc */
  --row-hover: rgba(80, 140, 220, 0.07);
  --row-stripe: rgba(80, 140, 220, 0.025);
  --link-underline: rgba(78, 197, 192, 0.32);

  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
}

:root[data-theme="light"] {
  /* Canvas - sunlit shallows */
  --bg-0: #f3f7fc;
  --bg-1: #ffffff;
  --bg-2: #ffffff;
  --bg-3: #eef3fa;

  --glass: rgba(255, 255, 255, 0.78);
  --glass-strong: rgba(255, 255, 255, 0.92);
  --glass-border: rgba(20, 50, 100, 0.1);
  --glass-border-strong: rgba(20, 50, 100, 0.22);

  --text: #0a172a;
  --text-dim: #2d3e5b;
  --muted: #6b7c97;
  --muted-2: #97a4bb;

  --accent: #1e5fa8;
  --accent-bright: #1346a0;
  --accent-soft: rgba(30, 95, 168, 0.12);
  --accent-glow: rgba(30, 95, 168, 0.18);
  --teal: #0e8e88;

  --num: #18365e;
  --positive: #189e6f;
  --warn: #b8651a;

  --aura-1: rgba(120, 180, 230, 0.35);
  --aura-2: rgba(160, 220, 230, 0.32);
  --aura-3: rgba(200, 220, 240, 0.45);
  --grid-line: rgba(20, 50, 100, 0.045);
  --school-color: rgba(30, 95, 168, 0.06);

  --row-hover: rgba(30, 95, 168, 0.05);
  --row-stripe: rgba(30, 95, 168, 0.025);
  --link-underline: rgba(14, 142, 136, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg-0);
  color: var(--text);
  font-family: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Helvetica Neue", Arial, sans-serif;
  font-size: 13px;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* --- Cosmic / oceanic background layers ------------------------------ */
.bg-aura {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1100px 700px at 18% -10%, var(--aura-1), transparent 60%),
    radial-gradient(900px 600px at 95% 0%, var(--aura-2), transparent 60%),
    radial-gradient(1200px 800px at 50% 110%, var(--aura-3), transparent 60%),
    var(--bg-0);
  pointer-events: none;
}

.bg-school {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  color: var(--school-color);
  overflow: hidden;
}

.bg-school svg {
  width: 100%;
  height: 100%;
  display: block;
}

.bg-school .school {
  animation: drift 60s linear infinite;
  transform-origin: center;
}

@keyframes drift {
  0%   { transform: translateX(0); }
  50%  { transform: translateX(40px); }
  100% { transform: translateX(0); }
}

/* --- Topbar ---------------------------------------------------------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  background: var(--glass-strong);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 10;
  flex: 0 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(140deg, var(--accent-bright), var(--accent) 60%, #08172e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 0 1px var(--glass-border-strong) inset,
    0 0 20px -4px var(--accent-glow),
    0 6px 18px -10px rgba(0, 0, 0, 0.85);
  position: relative;
  overflow: hidden;
}

.logo-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.35), transparent 55%);
  pointer-events: none;
}

.logo-orca {
  width: 26px;
  height: 14px;
  fill: #fff;
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.5));
  position: relative;
  z-index: 1;
}

.logo-eye {
  fill: #050a14;
}

.brand h1 {
  margin: 0;
  font-family: "Geist", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text);
}

.subtitle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 3px;
}

.subtitle .sep {
  color: var(--muted-2);
}

#total-count {
  color: var(--accent-bright);
  font-weight: 600;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--positive);
  box-shadow: 0 0 8px var(--positive), 0 0 0 3px rgba(94, 208, 163, 0.12);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.45; }
}

.controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

#search {
  width: 380px;
  max-width: 50vw;
  padding: 9px 14px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text);
  border-radius: var(--radius);
  font-size: 13px;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

#search::placeholder {
  color: var(--muted);
}

#search:hover {
  border-color: var(--glass-border-strong);
}

#search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow:
    0 0 0 4px var(--accent-soft),
    0 0 24px -8px var(--accent-glow);
}

button {
  background: var(--glass);
  color: var(--text);
  border: 1px solid var(--glass-border);
  padding: 8px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 12px;
  font-family: inherit;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: all 0.15s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent-bright);
  box-shadow: 0 0 18px -10px var(--accent-glow);
}

button:active:not(:disabled) {
  transform: translateY(1px);
}

button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.icon-btn {
  padding: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.15s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.nav-link:hover {
  color: var(--accent-bright);
  border-color: var(--accent);
  box-shadow: 0 0 18px -10px var(--accent-glow);
}

.icon-btn .icon {
  width: 16px;
  height: 16px;
  display: block;
}

[data-theme="dark"] .icon-btn .icon-sun  { display: none; }
[data-theme="dark"] .icon-btn .icon-moon { display: block; }
[data-theme="light"] .icon-btn .icon-sun  { display: block; }
[data-theme="light"] .icon-btn .icon-moon { display: none; }

/* --- Columns panel --------------------------------------------------- */
.columns-panel {
  background: var(--glass-strong);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--glass-border);
  padding: 14px 22px;
  max-height: 260px;
  overflow-y: auto;
}

.columns-panel.hidden {
  display: none;
}

.columns-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  gap: 8px;
}

.columns-panel-header strong {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.columns-panel-header > div {
  display: flex;
  gap: 6px;
}

.columns-panel-header button {
  padding: 5px 10px;
  font-size: 11px;
}

.columns-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 6px 18px;
}

.columns-list label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 12px;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  transition: background 0.12s ease, color 0.12s ease;
}

.columns-list label:hover {
  background: var(--row-hover);
  color: var(--text);
}

.columns-list input[type="checkbox"] {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
}

/* --- Table ----------------------------------------------------------- */
.table-wrap {
  flex: 1 1 auto;
  overflow: auto;
  padding: 18px 22px;
  position: relative;
}

.table-wrap::-webkit-scrollbar,
.columns-panel::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
.table-wrap::-webkit-scrollbar-track,
.columns-panel::-webkit-scrollbar-track {
  background: transparent;
}
.table-wrap::-webkit-scrollbar-thumb,
.columns-panel::-webkit-scrollbar-thumb {
  background: var(--accent-soft);
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
.table-wrap::-webkit-scrollbar-thumb:hover,
.columns-panel::-webkit-scrollbar-thumb:hover {
  background: var(--accent-glow);
  background-clip: padding-box;
}

table {
  border-collapse: separate;
  border-spacing: 0;
  width: max-content;
  min-width: 100%;
  font-variant-numeric: tabular-nums;
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 0 0 1px var(--glass-border) inset,
    0 24px 48px -28px rgba(0, 0, 0, 0.85),
    0 0 60px -36px var(--accent-glow);
}

thead th {
  position: sticky;
  top: 0;
  background: var(--glass-strong);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border-strong);
  padding: 11px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  z-index: 2;
  transition: color 0.12s ease, background 0.12s ease;
  user-select: none;
}

thead th:hover {
  color: var(--accent-bright);
}

thead th .sort-indicator {
  margin-left: 6px;
  color: var(--accent-bright);
  font-size: 9px;
}

tbody tr {
  transition: background 0.12s ease;
}

tbody tr:nth-child(even) {
  background: var(--row-stripe);
}

tbody tr:hover {
  background: var(--row-hover);
  box-shadow: inset 2px 0 0 var(--accent);
}

tbody td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--glass-border);
  white-space: nowrap;
  max-width: 460px;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-dim);
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody td.num {
  text-align: right;
  color: var(--num);
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  font-weight: 500;
}

tbody td.muted {
  color: var(--muted-2);
}

tbody td a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px dashed var(--link-underline);
  transition: border-color 0.12s ease, color 0.12s ease;
}

tbody td a:hover {
  color: var(--accent-bright);
  border-bottom-color: var(--accent-bright);
}

.empty {
  padding: 40px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.empty.hidden {
  display: none;
}

/* --- Pager ----------------------------------------------------------- */
.pager {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--glass-strong);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-top: 1px solid var(--glass-border);
}

.pager button {
  min-width: 34px;
  padding: 6px 10px;
  font-size: 13px;
}

.pager #range {
  margin: 0 10px;
  color: var(--text-dim);
  font-size: 11px;
  font-family: "Geist Mono", ui-monospace, monospace;
  letter-spacing: 0.02em;
  min-width: 200px;
}

.pager select {
  margin-left: auto;
  background: var(--glass);
  color: var(--text);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 7px 12px;
  font-size: 12px;
  font-family: inherit;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.pager select:hover {
  border-color: var(--glass-border-strong);
}

.pager select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

::selection {
  background: var(--accent);
  color: #fff;
}

/* ─── Shared cross-page navigation ─────────────────────────────────────
   Tab-style segmented control used in both the Pod Tracker and Live
   Stream topbars. Keeps navigation between the two pages consistent. */
.bu-nav {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--glass-border);
  border-radius: 7px;
  overflow: hidden;
  background: var(--glass);
}
.bu-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  background: transparent;
  border: none;
  border-right: 1px solid var(--glass-border);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.bu-nav-link:last-child { border-right: none; }
.bu-nav-link:hover {
  color: var(--accent-bright);
  background: var(--accent-soft);
}
.bu-nav-link[aria-current="page"] {
  color: var(--text);
  background: var(--accent-soft);
  box-shadow: inset 0 -2px 0 var(--accent-bright);
}
.bu-nav-link .bu-nav-icon {
  width: 12px; height: 12px;
  display: inline-block;
}

.bu-brand {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text);
  padding: 0 4px 0 2px;
  white-space: nowrap;
}